​

    lookupSearch() {

      this._removeLookupHost();

​

      if (!this._dom)

        this._dom = new Dom();

      this._lookupHost = <HTMLDivElement>this._dom.createElement('div', {

        position: 'absolute',

        left: '25%',

        right: '25%',

        top: '25%',

        bottom: '25%',

        background: 'white',

        border: '2px solid silver',

        padding: '1em',

        zIndex: '900',

        overflow: 'auto'

      }, this._sharedState.element);

​

      var doc = this.doc();

      var editor = this.editor();

      var cursorPos = doc.getCursor();

      var cursorOffset = doc.indexFromPos(cursorPos);

​

      var searchInput = <HTMLInputElement>this._dom.createElement('input', {

        width: '100%'

      }, this._lookupHost);

      var textSpan = this._typescript.service.getNameOrDottedNameSpan(this.docState.fullPath(), cursorOffset, cursorOffset + 1);

      if (textSpan)

        searchInput.value = doc.getRange(editor.posFromIndex(textSpan.start()), editor.posFromIndex(textSpan.end()));

      else

        searchInput.value = 'this';

​

      var searchResult = <HTMLDivElement>this._dom.createElement('div', {

​

      }, this._lookupHost);

​

      var refs = this._typescript.service.getReferencesAtPosition(this.docState.fullPath(), cursorOffset);

      for (var i = 0; i < refs.length; i++) {

        this._dom.createElement('div', {

          text: refs[i].fileName + ' @' + refs[i].textSpan.start()

      }

​

      setTimeout(() => {

        searchInput.focus();

      }, 10);

​

      var updateTimeout = 0;

      var searchedText = searchInput.value;

​

      searchInput.onkeydown = (evt) => {

        if (evt.keyCode === 27) { 

          this._removeLookupHost();

          if (evt.preventDefault)

            evt.preventDefault();

          return;

        }

​

        if (!updateTimeout) {

          updateTimeout = setTimeout(() => {

            updateTimeout = 0;

            if (searchInput.value === searchedText) return;

            searchedText = searchInput.value;

            var cursorPos = doc.getCursor();